Similar words: acetic, peacetime, facetious, space-time, copacetic, facetiously, papier-mache, pharmaceutic. Meaning: [‚spɜrmə'setɪ /‚spɜː-] 
n. a white waxy substance from oil of the sperm whale.
n. a white waxy substance from oil of the sperm whale. 
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1. Spermaceti is a waxy, tasteless, odorless substance separated from the oil of sperm whales that is used in cosmetics, ointments, and good-quality candles.
2. Whaling declined after 1850, when mineral oil and gas replaced spermaceti oil as a source of light.
3. Their heads also hold large quantities of a substance called spermaceti.
4. The toothed whale has a large square head with a cavity that contains the so - called spermaceti.
5. Whalers once believed that the oily fluid was sperm, but scientists still do not understand the function of spermaceti.
6. Photo Gallery: Whales Sperm whales'heads are filled with a mysterious substance called spermaceti.
7. Sperm whales' heads are filled with a mysterious substance called spermaceti .
8. Sperm whales' heads are filled with a mysterious substance called spermaceti. Scientists have yet to understand its function, but believe it may help the animal regulate its buoyancy.
More similar words: acetic, peacetime, facetious, space-time, copacetic, facetiously, papier-mache, pharmaceutic, acetic anhydride, spermatic, oxaloacetic acid, pharmaceutical, spermatozoa, spermatozoon, pharmacokinetics, spermatophyte, spermatic cord, spermatogenesis, radiopharmaceutical, pharmaceutical company, automatic teller machine, automated teller machine, face to face with, face-to-face, face to face, facet, acetone, acetal, faceted, acetate.